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https://issues.apache.org/jira/browse/CASSANDRA-3069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13097262#comment-13097262
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Jonathan Ellis commented on CASSANDRA-3069:
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The more I think about it the more I think that the right thing to do is not to
support UNION (which does not map cleanly to StorageProxy calls) but to support
ORing keys together in the WHERE clause (which maps nicely to multiget).
The downside is we need to explain why we support just this one special case of
ORs but not others, but I think that is better than trying to explain other
limitations around UNION.
> UNION support
> -------------
>
> Key: CASSANDRA-3069
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3069
> Project: Cassandra
> Issue Type: Sub-task
> Components: API, Core
> Reporter: Jonathan Ellis
> Assignee: Pavel Yaskevich
> Fix For: 1.1
>
> Attachments: CASSANDRA-3069.patch
>
>
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